OpenTechnical

OT-2026-000073167

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, two stage ejector, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000073167) never changes.

Identity and time

Publication numberOT-2026-000073167 · never reused
Internal UUID01a0ae92-efb6-76ba-8573-e9aee92dcd84 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073167
StatusPUBLIC

Content hashes

Canonical text5e649d8bec495829a7a7c3c83766988181802d615ad5316d36757912df7d8e8b
Markdownc527c7b14fed36bf74c1e7ee35e94135c129d2aa9c060022f31003badf3cea01
PDF
Publication pagecd1a321b9740a117395cd84f681c5d8a4c75a897ebe22a1d60c4dbf9df2d77ac
Manifest5bab96cfd33031e1c6475ade2f50e6c7724c78c45cb78465a62cf88aa6e20c49

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureS15hs+9CbWyRfBZjH5znkODornSB5eeaoQ+xvWAoukyMYW6vMj4U0i/6VEHMT6vjCkQzAPCGTsmod9oZ3dxXAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:21:06.981170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073167
observed cd1a321b9740a117395cd84f681c5d8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:06.962219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073167/manifest.json
observed 5bab96cfd33031e1c6475ade2f50e6c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:06.942322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073167/publication.md
observed c527c7b14fed36bf74c1e7ee35e94135...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:06.922370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073167/publication.txt
observed 5e649d8bec495829a7a7c3c837669881...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.